Digital Signal Processing Reference
In-Depth Information
Video at t
0
Video at t
0
+ 1/60s
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The rows on which the image changed
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Field 0 recorded at t
0
Field 1 recorded at + t
0
1/60s
Weaving field 0 and field 1
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Combing
or
jagged ed
ges
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=
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+
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Figure 6.3.
“
Mouse teeth
”
jagged edges are caused by a changing image.
Figure 6.4. An image with jagged
edges as a result of weave
deinterlacing.
Conceptually this deinterlacing technique is the same
e
however we have to come up with values for the entire line of
pixels. The new line can either be just a copy of the previous line
(scan-line duplication) or computed as an average of the lines
above and below (scan-line interpolation), as shown in
Figure 6.5
.
